CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

and here is the link :)

https://github.com/CGAL/cgal/pull/3295

On 08/28/2018 10:39 AM, Sebastien Loriot (GeometryFactory) wrote:
> Could you try if the patch from this PR solves your issue?
>
> Thanks,
>
> Sebastien.
>
>
> On 08/26/2018 02:26 PM, Morteza Manavi wrote:
> > I attach a small program that reproduces the compilation error.
> > Please look at the " graph_traits_Dual_Arrangement_2.h " file, you 
> > will find that the CGAL::Arrangement_2 is used for calculations.
> > Maybe error is for that?
> >
> > On Sun, Aug 26, 2018 at 4:23 PM Efi Fogel < 
> > <mailto:>> wrote:
> >
> >     Please attach a small program that reproduces the compilation error.
> >     I was, by the way, able to compile the lines of code you have posted
> >     after adding the appropriate include statements.
> >         ____  _        ____             _
> >        /_____/_) o    /__________  __  //
> >       (____ (   (    (    (_/ (_/-(-'_(/
> >                               _/
> >
> >
> >
> >
> >     On Sun, 26 Aug 2018 at 14:37, Morteza Manavi 
> > <
> >     
> > <mailto:>>
> >  wrote:
> >
> >         I looked, the header file was included.
> >
> >         On Sun, Aug 26, 2018 at 3:57 PM Efi Fogel 
> > <
> >         
> > <mailto:>>
> >  wrote:
> >
> >             Is it possible that you simply forgot to include the header
> >             that contains the definition of CGAL::Dual, namely,
> >             <CGAL/graph_traits_Dual_Arrangement_2.h> ?
> >                 ____  _        ____             _
> >                /_____/_) o    /__________  __  //
> >               (____ (   (    (    (_/ (_/-(-'_(/
> >                                       _/
> >
> >
> >
> >
> >             On Sun, 26 Aug 2018 at 14:19, Morteza Manavi
> >             < <mailto:>> 
> > wrote:
> >
> >                 Exactly, compiler give error:
> >                 C2079: 'dual' uses undefined class
> >                 'CGAL::Dual<Arr_with_hist_2>'
> >                 C2440: 'initializing': cannot convert from
> >                 'Arr_with_hist_2' to 'int'
> >                 in line :
> >
> >                 Dual_arrangement dual(arr);
> >
> >                 of my code.
> >                 (Notice that the error is not occur at runtime)
> >
> >
> >
> >                 On Sun, Aug 26, 2018 at 2:47 PM Efi Fogel
> >                 
> > <
> >  
> > <mailto:>>
> >  wrote:
> >
> >                     What makes you think that the Dual class does not
> >                     accept Arrangement_with_history_2?
> >                         ____  _        ____             _
> >                        /_____/_) o    /__________  __  //
> >                       (____ (   (    (    (_/ (_/-(-'_(/
> >                                               _/
> >
> >
> >
> >
> >                     On Sun, 26 Aug 2018 at 12:15, Morteza Manavi
> >                     
> > <
> >                     
> > <mailto:>>
> >  wrote:
> >
> >                         Thank you Efi,
> >                         But I don't want to delete CGAL::Dual because I
> >                         need to construct a dual graph representation of
> >                         the arrangement, and on the other hand I need to
> >                         have curve handler that it's possible with use
> >                         of Arrangement_with_history_2 class.
> >                         Apparently the Dual class does not accept
> >                         Arrangement_with_history_2 as input and
> >                         according to your answer I can't directly
> >                         convert Arrangement_with_history_2 to
> >                         Arrangement_2. I think, I must write my own dual
> >                         graph class that accept
> >                         Arrangement_with_history_2 as input.
> >
> >                         Morteza.
> >
> >                         On Sun, Aug 26, 2018 at 1:50 AM Efi Fogel
> >                         
> > <
> >  
> > <mailto:>>
> >                         wrote:
> >
> >                             Hi Morteza,
> >
> >                             If you really need to convert
> >                             Arrangement_with_history_2 to Arrangement_2,
> >                             then you would need to reconstruct
> >                             Arrangement_2, but conceptually, everything
> >                             you can do with Arrangement_2 you can also
> >                             do with Arrangement_with_history_2.
> >
> >                             Is it possible that you simply forgot to
> >                             include the header that contains the
> >                             definition of CGAL::Dual, namely,
> >                             <CGAL/graph_traits_Dual_Arrangement_2.h> ?
> >
> >                             Anyway, if you still have a problem, please
> >                             paste a complete minimal program.
> >
> >                             Efi
> >                                 ____  _        ____             _
> >                                /_____/_) o    /__________  __  //
> >                               (____ (   (    (    (_/ (_/-(-'_(/
> >                                                       _/
> >
> >
> >
> >
> >                             On Sat, 25 Aug 2018 at 16:00, Morteza Manavi
> >                             
> > <
> >                             
> > <mailto:>>
> >  wrote:
> >
> >                                 Hi, I want to use Dual class to
> >                                 construct a dual graph of my
> >                                 arrangement, but I get the compile 
> > error :
> >                                 C2079: 'dual' uses undefined class
> >                                 'CGAL::Dual<Arr_with_hist_2>'
> >                                 and I think it's for
> >                                 Arrangement_with_history_2 that I use to
> >                                 define the arrangement in the code. Now
> >                                 I need to convert Arr_with_hist_2 to
> >                                 Arrangement_2 and I don't know how to do
> >                                 this?
> >                                 my CGAL type definition :
> >
> >                                 
> > typedefCGAL::Cartesian<CGAL::Exact_rational>Kernel;
> >
> >                                 typedefKernel::Circle_2Circle_2;
> >
> >                                 typedefKernel::Segment_2Segment_2;
> >
> >
> >                                 
> > typedefCGAL::Arr_circle_segment_traits_2<Kernel>Circle_Segment_traits_2;
> >
> >                                 typedefstd::stringCurve_Name;
> >
> >                                 
> > typedefCGAL::Arr_consolidated_curve_data_traits_2
> >
> >                                 
> > <Circle_Segment_traits_2,Curve_Name>Traits_2;
> >
> >                                 typedefTraits_2::Point_2TPoint_2;
> >
> >                                 typedefTraits_2::Curve_2Curve_2;
> >
> >                                 typedefTraits_2::CoordNTCoordNT;
> >
> >
> >                                 
> > typedefCGAL::Arr_face_extended_dcel<Traits_2,unsignedint>Dcel;
> >
> >                                 
> > typedefCGAL::Arrangement_with_history_2<Traits_2,Dcel>Arr_with_hist_2;
> >                                 
> > typedefCGAL::Dual<Arr_with_hist_2>Dual_arrangement;
> >                                 
> > typedefCGAL::Arr_face_index_map<Arr_with_hist_2>Face_index_map;